Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

142 questions · 143 findings · 50 reviews

No studies found 27 · 18.9%GRADE not reported 6 · 4.2%Very low 66 · 46.2%Low 24 · 16.8%Moderate 19 · 13.3%High 1 · 0.7%

TNF‐α blockers intervention vs placebo or additional treatment

Adverse effects after treatment initiation: infections · children diagnosed with Kawasaki disease

TNF‐α blockers intervention showed no clear difference in adverse effects after treatment initiation: infections compared with placebo or additional treatment (low certainty).

1 finding from 1 review

Zonisamide vs placebo

Nausea · people with focal epilepsy

Zonisamide probably leads to higher adverse effects: nausea (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Zonisamide vs placebo

Adverse effect: fatigue · people with focal epilepsy

Zonisamide probably leads to higher adverse effects: fatigue (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system

Adverse effects during treatment ‐ heaviness in lower abdomen · endometrial hyperplasia

It is very uncertain whether summary of findings table ‐ Metformin + levonorgestrel (intrauterine… changes adverse effects during treatment ‐ heaviness in lower abdomen compared with levonorgestrel intrauterine system (very low certainty).

1 finding from 1 review

IVIg vs different infusion regimens of IVIG

Incidence of any adverse effects after treatment initiation ( · people undergoing initial treatment for KD

Primary treatment with intravenous immunoglobulin (IVIG) showed no clear difference in incidence of any adverse effects after treatment initiation ( compared with different infusion regimens of IVIG (low certainty).

1 finding from 1 review

Zonisamide vs placebo

Frequency of adverse effects ‐ dizziness ( · people with focal epilepsy

Zonisamide probably leads to higher adverse effects: dizziness (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Zonisamide vs placebo

Somnolence · people with focal epilepsy

Zonisamide probably leads to higher adverse effects: somnolence (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Surgical vs non‐surgical treatment

Adverse effects of treatment Overall incidence of complications · people with lateral patellar dislocation

It is very uncertain whether surgical changes adverse effects of treatment Overall incidence of complications compared with non‐surgical treatment (very low certainty).

1 finding from 1 review

Vigabatrin vs placebo

Ataxia · people (aged 10–64 years) with drug‐resistant focal epilepsy

It is very uncertain whether vigabatrin changes adverse effects: ataxia Duration of treatment (range): 7–36 weeks compared with placebo (very low certainty).

1 finding from 1 review

Vigabatrin vs placebo

Adverse effect: fatigue · people (aged 10–64 years) with drug‐resistant focal epilepsy

Vigabatrin may leads to higher adverse effects: fatigue Duration of treatment (range): 8–36 weeks compared with placebo (low certainty).

1 finding from 1 review

Selective serotonin reuptake inhibitors vs tricyclic antidepressants (TCAs)

Adverse effects during antidepressant treatment period (0‐12 weeks) · adults living with HIV and depression

It is very uncertain whether selective serotonin reuptake inhibitors (SSRI) changes adverse effects during antidepressant treatment period (0‐12 weeks) compared with tricyclic antidepressant (TCA) (very low certainty).

1 finding from 1 review